Why did one pecan pie end up with a dark center after baking while the other pie came out perfect, same batter same cook time?

I baked two pecan pies at the same time, used the exact same batter and everything, one pie came out perfect with a clear pecan batter center, the other pie however ended up with a dark colored center and I’m wondering what went wrong? Same recipe, just doubled it and cooked at same time,same length of time, so what happened?
Best Answer
As Ron Beyer alluded to in a comment, two pans on different oven racks can end up cooking very differently.
Remember, the heat comes from particular parts of the oven: for an electric oven generally top and bottom heading elements, and for a gas oven convection from the bottom.
Pans placed close to the bottom of the oven will get extra coming on the bottom and middle of the pan, due to the radiant heat. Pans placed close to the top of an electric oven will likewise get radiant heat from the top. If you have two pans on an electric oven, the top one will additionally shuttle the bottom one from radiant browning on the top.
When cooking on two racks simultaneously, it's a good idea to switch the pans during the cooking process.
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Why is my pecan pie not cooked in the middle?
If the oven was too cool, this could result in the filling and bottom crust failing to bake through. Follow the recipe directions for the oven temperature, only decreasing it slightly. For example, if the recipe required 350 degrees Fahrenheit, you can go as low as 325 degrees Fahrenheit.What happens if you overcook pecan pie?
The crust and the pecans can burn easily if overcooked, but the middle can come out runny if it's not cooked long enough. With the right techniques, however, you can bake a perfectly gooey and crunchy pecan pie every time.Can you bake 2 pecan pies at once?
As a general rule, it is okay to bake multiple pies in the oven at once. Since there are two or more pies in the oven at once, the temperature of the oven decreases. The more pies in the oven, the more the temperature decreases. Keep the pies in the oven for 5-10 minutes longer to fully bake them.Can you Rebake an undercooked pecan pie?
Underbaked Crust To fix this, start out your pecan pie at a higher temperature, between 425 and 450 degrees F. Then reduce the temperature to 350 degrees F after about 20 to 30 minutes and continue baking until the pie is nicely browned and the pecan filling is bubbling.Pecan Pie Recipe
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